Sodalite and Chlorastrolite Physical Properties

Sodalite and Chlorastrolite Chemical Formula

While comparing Sodalite and Chlorastrolite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Sodalite and Chlorastrolite chemical formula.

• Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂
• Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

Sodalite and Chlorastrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sodalite and Chlorastrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sodalite and Chlorastrolite Optical Properties during the identification of gemstone. Specific gravity of Sodalite is 3.1-3.5 whereas that of Chlorastrolite is 3.1-3.5.